Research needs of Illinois' coal industry; a symposium relating to recovery, preparation, marketing practice, utilization, and basic research presented at quarter centennial celebration of Illinois State Geological Survey, April 30, 1930.

At head of title: State of Illinois. Department of Registration and Education. Division of the State Geological Survey, M.M. Leighton, chief.Published in cooperation with the Illinois Coal Bureau."Prepared under a cooperative agreement between the Illinois State Geological Survey Division, and the Engineering Experiment Station of the University of Illinois."The function of research in industry, by M.S. Ketchum.--A mining engineer's view of the future of Illinois' coal industry from the standpoint of recovery, by J.A. Garcia.--Coal preparation research for future needs, by E.A. Holbrook.--The automatic stoker for heating service, using Illinois coal, by A.C. Willard and W.H. Severns.--Utilization of basic information in future marketing practice, by F.C. Honnold.--The chemistry of Illinois coal - a review and forecast, by S.W. Parr.--Recently developed methods of research in the constitution of coal and their application to Illinois coal, by Rinehardt Thiessen